Skin Masquerade: Epidermal Applicator, Lifelike Quirk, and the Skinmonger Implant (#31185)

* adds the epidermal applicator, lifelike quirk, and skinmonger traitor implant

* lint

* lint

* attack chain fix

* more linty fixes

* more lint

* fix some buggy bugs, synthetic skinned body parts recolor to their host

* make emp on skinmonger work, fix a skinmonger bug

* make bruising / denting examine text not betray the masquerade

* burn away synthetic skin with acid

* comment / code structure / description tweaks

* i sell pharmaceuticals and pharmaceutical accessories

* code review comments

* oops

* god damn it

* god damn it (x2)

* Update code/modules/surgery/organs/augments_internal.dm

Co-authored-by: 1080pCat <96908085+1080pCat@users.noreply.github.com>
Signed-off-by: Pooble <90473506+poobsie@users.noreply.github.com>

* lower syndi level for implant

* Update code/modules/research/designs/medical_designs.dm

Co-authored-by: JimKil3 <47290811+JimKil3@users.noreply.github.com>
Signed-off-by: Pooble <90473506+poobsie@users.noreply.github.com>

* Update code/game/objects/items/tools/epidermal_applicator.dm

Co-authored-by: JimKil3 <47290811+JimKil3@users.noreply.github.com>
Signed-off-by: Pooble <90473506+poobsie@users.noreply.github.com>

* Update code/modules/surgery/organs/organ_external.dm

Co-authored-by: JimKil3 <47290811+JimKil3@users.noreply.github.com>
Signed-off-by: Pooble <90473506+poobsie@users.noreply.github.com>

* Update code/modules/surgery/organs/organ_external.dm

Co-authored-by: JimKil3 <47290811+JimKil3@users.noreply.github.com>
Signed-off-by: Pooble <90473506+poobsie@users.noreply.github.com>

* tweaks for review

* Update code/__DEFINES/dcs/datum_signals.dm

Co-authored-by: PollardTheDragon <144391971+PollardTheDragon@users.noreply.github.com>
Signed-off-by: Pooble <90473506+poobsie@users.noreply.github.com>

---------

Signed-off-by: Pooble <90473506+poobsie@users.noreply.github.com>
Co-authored-by: 1080pCat <96908085+1080pCat@users.noreply.github.com>
Co-authored-by: JimKil3 <47290811+JimKil3@users.noreply.github.com>
Co-authored-by: PollardTheDragon <144391971+PollardTheDragon@users.noreply.github.com>

code/datums/uplink_items/uplink_traitor.dm

@@ -663,6 +663,16 @@
 	cost = 40
 	excludefrom = list(UPLINK_TYPE_NUCLEAR, UPLINK_TYPE_SST) //No, nukies do not get to dodge bullets.
 
+/datum/uplink_item/species_restricted/skinmonger
+	name = "Skinmonger Autoimplanter"
+	desc = "A strange implant that continuously fabricates synthetic epidermis, covering up prosthetics. \
+	When implanted, the Skinmonger will bond to its host, first covering every limb in synthetic skin, then replacing destroyed skin periodically. \
+	IPCs can use this implant to disguise themselves as human. However, it will not cover monitor-shaped heads."
+	reference = "SKINMON"
+	item = /obj/item/autosurgeon/organ/syndicate/oneuse/skinmonger
+	cost = 10
+	species = list("Machine")
+
 /datum/uplink_item/badass/syndiecards
 	name = "Syndicate Playing Cards"
 	desc = "A special deck of space-grade playing cards with a mono-molecular edge and metal reinforcement, making them lethal weapons both when wielded as a blade and when thrown. \